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BOSTON MARATHON 2024

Shannon Maguire

Bib: 25203•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:38
Rank: #16368
Start → 5K
8:15/mi
25:38 split
10K· 6.21 mi
52:44
Rank: #17459 (-1091)
5K → 10K
8:43/mi
27:06 split
15K· 9.32 mi
1:22:20
Rank: #18853 (-1394)
10K → 15K
9:32/mi
29:36 split
20K· 12.43 mi
1:54:01
Rank: #19651 (-798)
15K → 20K
10:12/mi
31:41 split
Half· 13.11 mi
2:00:16
Rank: #19630 (+21)
20K → Half
9:10/mi
6:15 split
25K· 15.53 mi
2:26:26
Rank: #19955 (-325)
Half → 25K
10:48/mi
26:10 split
30K· 18.64 mi
3:00:57
Rank: #19980 (-25)
25K → 30K
11:07/mi
34:31 split
20M
3:16:10
Rank: #19952 (+28)
30K → 20M
11:12/mi
15:13 split
21M
3:27:37
Rank: #19784 (+168)
20M → 21M
11:27/mi
11:27 split
35K· 21.75 mi
3:35:29
Rank: #19722 (+62)
21M → 35K
10:31/mi
7:52 split
23M
3:48:29
Rank: #19539 (+183)
35K → 23M
10:23/mi
13:00 split
24M
3:58:34
Rank: #19391 (+148)
23M → 24M
10:05/mi
10:05 split
40K· 24.85 mi
4:07:42
Rank: #19294 (+97)
24M → 40K
10:41/mi
9:08 split
25.2M
4:11:56
Rank: #19263 (+31)
40K → 25.2M
12:17/mi
4:14 split
Finish· 26.22 mi
4:20:57
Rank: #19092 (+171)
25.2M → Finish
8:51/mi
9:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:16
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:20:41
Pace10:44 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2825:388:1525:38
8:15
-
10K
6.21 mi12:15:3452:448:2927:06
8:43
+0:28
15K
9.32 mi12:45:101:22:208:5029:36
9:32
+0:49
20K
12.43 mi13:16:511:54:019:1031:41
10:12
+0:40
Half
13.11 mi13:23:062:00:169:106:15
9:10
-1:02
25K
15.53 mi13:49:162:26:269:2626:10
10:48
+1:38
30K
18.64 mi14:23:473:00:579:4234:31
11:07
+0:19
20M
20.00 mi14:39:003:16:109:4815:13
11:12
+0:05
21M
21.00 mi14:50:273:27:379:5311:27
11:27
+0:15
35K
21.75 mi14:58:193:35:299:547:52
10:31
-0:56
23M
23.00 mi15:11:193:48:299:5613:00
10:23
-0:08
24M
24.00 mi15:21:243:58:349:5610:05
10:05
-0:18
40K
24.85 mi15:30:324:07:429:589:08
10:41
+0:36
25.2M
25.20 mi15:34:464:11:5610:004:14
12:17
+1:36
Finish
26.22 mi15:43:474:20:579:589:01
8:51
-3:26

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:15 /mi

Average Pace

9:58 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:36

37% of race

Time at Steady Pace

1:37:56

38% of race

Time at Slower Pace

1:05:25

25% of race

Average Pace: 9:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:48:2825:388:1525:38
8:15
#16368
10K
6.21 mi12:15:3452:448:2927:06
8:43
#17459
15K
9.32 mi12:45:101:22:208:5029:36
9:32
#18853
20K
12.43 mi13:16:511:54:019:1031:41
10:12
#19651
Half
13.11 mi13:23:062:00:169:106:15
9:10
#19630
25K
15.53 mi13:49:162:26:269:2626:10
10:48
#19955
30K
18.64 mi14:23:473:00:579:4234:31
11:07
#19980
20M
20.00 mi14:39:003:16:109:4815:13
11:12
#19952
21M
21.00 mi14:50:273:27:379:5311:27
11:27
#19784
35K
21.75 mi14:58:193:35:299:547:52
10:31
#19722
23M
23.00 mi15:11:193:48:299:5613:00
10:23
#19539
24M
24.00 mi15:21:243:58:349:5610:05
10:05
#19391
40K
24.85 mi15:30:324:07:429:589:08
10:41
#19294
25.2M
25.20 mi15:34:464:11:5610:004:14
12:17
#19263
Finish
26.22 mi15:43:474:20:579:589:01
8:51
#19092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi163685788578820746(Top 81%)8185(Top 75%)8185(Top 176%)
10K6.21 mi3.10 mi17459-10916427-6396427-63918494(Top 72%)7020(Top 64%)7020(Top 151%)
15K9.32 mi3.11 mi18853-13947220-7937220-79320746(Top 81%)8185(Top 75%)8185(Top 176%)
20K12.43 mi3.11 mi19651-7987640-4207640-42021012(Top 82%)8364(Top 77%)8364(Top 179%)
Half13.11 mi0.68 mi19630+217632+87632+818971(Top 74%)7324(Top 67%)7324(Top 157%)
25K15.53 mi2.42 mi19955-3257812-1807812-18021060(Top 82%)8500(Top 78%)8500(Top 182%)
30K18.64 mi3.11 mi19980-257886-747886-7420229(Top 79%)8231(Top 75%)8231(Top 177%)
20M20.00 mi1.36 mi19952+287898-127898-1219738(Top 77%)8086(Top 74%)8086(Top 174%)
21M21.00 mi1.00 mi19784+1687834+647834+6417554(Top 69%)7115(Top 65%)7115(Top 153%)
35K21.75 mi0.75 mi19722+627822+127822+1218633(Top 73%)7650(Top 70%)7650(Top 164%)
23M23.00 mi1.25 mi19539+1837751+717751+7116705(Top 65%)6762(Top 62%)6762(Top 145%)
24M24.00 mi1.00 mi19391+1487694+577694+5716604(Top 65%)6749(Top 62%)6749(Top 145%)
40K24.85 mi0.85 mi19294+977656+387656+3817246(Top 67%)7154(Top 65%)7154(Top 154%)
25.2M25.20 mi0.35 mi19263+317647+97647+918015(Top 71%)7548(Top 69%)7548(Top 162%)
Finish26.22 mi1.02 mi19092+1717574+737574+7313479(Top 53%)5227(Top 48%)5227(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

20746

Females

8185

F18-39

8185

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

18494

Females

7020

F18-39

7020

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

20746

Females

8185

F18-39

8185

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21012

Females

8364

F18-39

8364

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18971

Females

7324

F18-39

7324

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21060

Females

8500

F18-39

8500

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20229

Females

8231

F18-39

8231

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

19738

Females

8086

F18-39

8086

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

17554

Females

7115

F18-39

7115

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18633

Females

7650

F18-39

7650

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16705

Females

6762

F18-39

6762

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16604

Females

6749

F18-39

6749

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17246

Females

7154

F18-39

7154

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18015

Females

7548

F18-39

7548

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

13479

Females

5227

F18-39

5227

Passing Analysis

Category:
Athletes Passed
1490
Passed By
4214
Net Change
-2724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16368
5K → 10K601151-1091#16368#17459
10K → 15K221416-1394#17459#18853
15K → 20K70868-798#18853#19651
20K → Half4423+21#19651#19630
Half → 25K89414-325#19630#19955
25K → 30K168193-25#19955#19980
30K → 20M8961+28#19980#19952
20M → 21M18820+168#19952#19784
21M → 35K8826+62#19784#19722
35K → 23M19411+183#19722#19539
23M → 24M1535+148#19539#19391
24M → 40K10811+97#19391#19294
40K → 25.2M4413+31#19294#19263
25.2M → Finish1732+171#19263#19092
TOTALS14904214-2724
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing